280871341 has 2 divisors, whose sum is σ = 280871342. Its totient is φ = 280871340.

The previous prime is 280871299. The next prime is 280871347. The reversal of 280871341 is 143178082.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277355716 + 3515625 = 16654^2 + 1875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-280871341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 280871297 and 280871306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280871347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140435670 + 140435671.

It is an arithmetic number, because the mean of its divisors is an integer number (140435671).

Almost surely, 2^280871341 is an apocalyptic number.

It is an amenable number.

280871341 is a deficient number, since it is larger than the sum of its proper divisors (1).

280871341 is an equidigital number, since it uses as much as digits as its factorization.

280871341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 280871341 is about 16759.2165986361. The cubic root of 280871341 is about 654.8911817360.

The spelling of 280871341 in words is "two hundred eighty million, eight hundred seventy-one thousand, three hundred forty-one".